期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2010.10.147
关键词
Beam; Lifetime; SPEAR3
类别
资金
- DOE [DE-AC02-76SF00515]
Beam lifetime studies for the SPEAR3 storage ring are presented. The three lifetime components are separated with lifetime measurements under various combinations of beam currents and fill patterns and vertical scraper scans. Touschek lifetime is studied with rf voltage scans and with the horizontal or vertical scrapers inserted. The measurements are explained with calculations based on the calibrated lattice model. Quantum lifetime measurements are performed with reduced longitudinal and horizontal apertures, respectively, from which we deduce the radiation energy loss down to a few key per revolution and the horizontal beam size. (C) 2010 Elsevier B.V. All rights reserved.
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